| [CORRESPONDENCE FROM JOSEPH M. COLBY TO N. DREYSTADT REGARDING APPRECIATION] |
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| [CORRESPONDENCE] FROM LIEUTENANT COLONEL ELMER J. JANTZ TO MR. F.W. LINDER REGARDING REPLY TO LETTER |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO PAUL A. WICK REGARDING STOCK PURCHASE OPTION] |
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| [PAMPHLET] DETROIT POST ARMY ORDNANCE ASSOCIATION; WINTER DINNER |
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| [CORRESPONDENCE FROM RAE M. BIESTER TO COLBY REGARDING CONGRATULATION] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO HUGH NEWTON REGARDING NOTE] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO ANTHONY SWANTEK REGARDING INQUIRY OF SEPTEMBER 12TH] [WITH ATTACHMENT] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO HENRY L. JONES REGARDING PHOTOGRAPH] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO LIEUTENANT COLONEL KENNETH L. SANDVIG REGARDING PERSONAL UPDATE] |
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| [MEMORANDUM FROM COLONEL JOSEPH M. COLBY TO CHIEF OF ORDNANCE REGARDING ARTICLE][WITH ATTACHMENT] |
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| [LETTER FROM COLBY, COLONEL JOSEPH M. TO CHIEF OF NAVAL PERSONNEL DEPARTMENT OF THE ARMY] |
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| [CORRESPONDENCE] FROM MR. H. PAUL GANT TO BRIGADIER GENERAL JOSEPH M. COLBY REGARDING REPLY TO LETTER |
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| LIST OF ORDNANCE OFFICERS LIVING IN OR NEAR HEIDELBERG, GERMANY |
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| [CORRESPONDENCE FROM UNDETERMINED TO JOSEPH M. COLBY REGARDING EDITOR OF ARMY ORDNANCE] |
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| [CORRESPONDENCE FROM ALLEN B. CROW TO COLONEL JOSEPH M. COLBY REGARDING COMMITTEE OF ARRANGEMENTS FOR THE LUNCHEON] |
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| [CORRESPONDENCE] FROM COLONEL JOSEPH M. COLBY TO GENERAL URBAN NIBLO REGARDING REPLY TO LETTER |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO WM. A. BORDEN REGARDING TRIP] |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO TOM REGARDING APPRECIATION] |
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| [BOOKLET] CAMP HUGHEY, 1930 |
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| [CORRESPONDENCE FROM JOSEPH M. COLBY TO D. WOLKOV REGARDING SBA FORM #414] |
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